The OS 2200 COBOL applications use an HTTP client interface to call the ePortal service proxy, which then calls the external Web service and returns the result. The COBOL program calls the HTTP Client API interface to communicate with the ePortal service proxy.

You can call web interfaces using the Web client interface. For more information on HTTP Client Interface API Library and its location, refer to the ePortal Platform Generation 5 Planning and Implementation Guide.

This section describes the following topics: